30521271

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 32

約数和(自身を含む): 46050048

約数和(自身を除く): 15528777

約数列:

[1, 3, 11, 33, 43, 129, 137, 157, 411, 471, 473, 1419, 1507, 1727, 4521, 5181, 5891, 6751, 17673, 20253, 21509, 64527, 64801, 74261, 194403, 222783, 236599, 709797, 924887, 2774661, 10173757, 30521271]

約数ペア:

[(1, 30521271), (3, 10173757), (11, 2774661), (33, 924887), (43, 709797), (129, 236599), (137, 222783), (157, 194403), (411, 74261), (471, 64801), (473, 64527), (1419, 21509), (1507, 20253), (1727, 17673), (4521, 6751), (5181, 5891)]